1260085 has 4 divisors (see below), whose sum is σ = 1512108. Its totient is φ = 1008064.

The previous prime is 1260067. The next prime is 1260113. The reversal of 1260085 is 5800621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 303601 + 956484 = 551^2 + 978^2 .

It is a cyclic number.

It is not a de Polignac number, because 1260085 - 2¹⁷ = 1129013 is a prime.

It is a super-3 number, since 3×1260085³ = 6002342595933342375, which contains 333 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126004 + ... + 126013.

It is an arithmetic number, because the mean of its divisors is an integer number (378027).

2^1260085 is an apocalyptic number.

It is an amenable number.

1260085 is a deficient number, since it is larger than the sum of its proper divisors (252023).

1260085 is an equidigital number, since it uses as much as digits as its factorization.

1260085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252022.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1260085 is about 1122.5350774029. The cubic root of 1260085 is about 108.0106585274.

The spelling of 1260085 in words is "one million, two hundred sixty thousand, eighty-five".